Abhishek Rawat created IMPALA-12494:
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Summary: Clamp MEM_LIMIT_EXECUTORS and MEM_LIMIT_COORDINATORS
Key: IMPALA-12494
URL: https://issues.apache.org/jira/browse/IMPALA-12494
Project: IMPALA
Issue Type: Task
Components: Backend
Reporter: Abhishek Rawat
Assignee: Abhishek Rawat
The MEM_LIMIT_EXECUTORS and MEM_LIMIT_COORDINATORS are not clamped to the
pool's min_query_mem_limit and max_query_mem_limit, when
'clamp_mem_limit_query_option' pool setting is set. It would be good to also
clamp these memory limits.
We should also introduce a new 'min-query-mem-limit-coordinator' option for the
pool configs. This is useful for dedicated coordinators which should have
separate minimum memory limit. The maximum query memory limit should probably
still be same for both executors and coordinators ('max-query-mem-limit').
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